Packages

WebSockets & Realtime Packages

Realtime communication libraries for WebSockets, pub/sub channels, and live data sync — the building blocks behind chat, presence, and collaborative UIs.

125 packages

Packages in WebSockets & Realtime

66Health
SDK Cargo

fluvio

The Rust client for Fluvio, a lean distributed data streaming engine.

5,260
Apache 2.0
Used by 1
69Health
Library PyPI

aiortc

A pure-Python implementation of WebRTC and ORTC built on asyncio, for real-time audio, video, and data channel communication.

5,121
BSD 3
Used by 1
91Health
Library Cargo

zenoh

Zero-overhead pub/sub, query, and storage protocol for unifying data in motion, data at rest, and computation.

3,295
Other
Used by 1
56Health
Library Cargo

rumqttc

A high-level, robust async MQTT client for Rust built on tokio.

2,179
Apache 2.0
Used by 1
84Health
Tool Composer

Laravel Reverb

A first-party, blazing-fast WebSocket server for real-time Laravel broadcasting

1,628
MIT
Used by 1
48Health
Library npm

paho-mqtt

Eclipse Paho browser MQTT client that connects to brokers over WebSockets

1,184
Other
Used by 1
82Health
SDK Cargo

Nostr SDK

A full-featured Rust SDK for building high-performance clients and in-process relays on the Nostr protocol

677
MIT
Used by 1
45Health
Library npm

resumable-stream

Lets serverless servers resume or share a streaming HTTP response across client reconnects using Redis pub/sub.

580
MIT
Used by 1
46Health
Tool PyPI

kernel_gateway

A web server that exposes Jupyter kernels over REST and WebSocket APIs for headless code execution.

562
BSD 3
Used by 1
89Health
SDK PyPI

deepgram-python-sdk

Official Python SDK for Deepgram's speech-to-text, text-to-speech, and voice agent APIs, with sync, async, and WebSocket support.

469
MIT
Used by 1
82Health
SDK npm

NATS Node Transport

The official Node.js and Bun TCP transport that connects the NATS.js client to a NATS server.

446
Apache 2.0
Used by 1
44Health
SDK PyPI

uptime-kuma-api

A Python client for automating Uptime Kuma over its Socket.IO API instead of clicking through the web UI.

396
MIT
Used by 1
68Health
SDK PyPI

Pusher Channels HTTP (Python)

Trigger realtime events and manage Pusher Channels from your Python server.

393
MIT
Used by 1
48Health
Library PyPI

flask-sock

WebSocket route support for Flask, with no greenlet-based server required.

317
MIT
Used by 1
41Health
Library PyPI

wsproto

Pure-Python, sans-IO WebSocket protocol state machine embeddable in any I/O framework

303
MIT
Used by 1
44Health
SDK Cargo

rabbitmq-stream-client

An async Rust client for RabbitMQ Streams with high-throughput publishing and consuming.

225
Other
Used by 1
66Health
Library Cargo

eventsource-client

A tokio-based Server-Sent Events (SSE) client for Rust with automatic reconnection.

113
Apache 2.0
Used by 1
61Health
Library Cargo

convex_sync_types

Shared Rust types for Convex's WebSocket sync protocol: validated identifiers, module/UDF paths, query and session IDs, timestamps, and client/server message enums.

95
Apache 2.0
Used by 1
70Health
SDK PyPI

agentmail-python

The official Python SDK for AgentMail, giving AI agents a full email inbox API to send, receive, and manage threaded conversations.

75
MIT
Used by 1
71Health
SDK npm

daily-react

React hooks and components for building video and audio calling apps on Daily's WebRTC platform.

68
Other
Used by 1
67Health
SDK npm

flagsmith-js-client

The official JavaScript and React Native client SDK for Flagsmith, the open source feature flag and remote configuration platform.

67
BSD 3
Used by 1
69Health
SDK npm

s2-sdk-typescript

The official TypeScript SDK for S2's durable streams API - append, read, and tail records with typed, retryable sessions.

35
MIT
Used by 1
70Health
SDK npm

Sanity SDK

Framework-agnostic TypeScript core for building custom apps on top of Sanity's real-time content platform.

19
MIT
Used by 1
27Health
Library npm

nano-pubsub

A zero-dependency, sub-0.5kb TypeScript pub/sub utility for type-safe in-app event handling.

16
MIT
Used by 1

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